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NEET 2025

NEET 2025 Physics question on Kinematics

In some appropriate units, time (t) and position (x) relation of a moving particle is given by t=x2+xt = x^2 + x. The acceleration of the particle is
  1. A.
    +22x+1+\dfrac{2}{2x+1}
  2. B.
    −2(x+2)3-\dfrac{2}{(x+2)^3}
  3. C.
    −2(2x+1)3-\dfrac{2}{(2x+1)^3}
  4. D.
    +2(x+1)3+\dfrac{2}{(x+1)^3}
Show answer

Correct option: C

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